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Insurance Operations - Beginning and Ending Balances and Changes in DPAC, Net of DRCC (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Deferred Policy Acquisition Costs [Roll Forward] |  |  |  |
DPAC, beginning of period | $ 117,144 | $ 107,047 | $ 109,985 | $ 103,654
Capitalized Costs | 66,272 | 60,470 | 183,668 | 167,357
Amortization of DPAC | (58,111) | (52,927) | (168,348) | (156,421)
DPAC, end of period | $ 125,305 | $ 114,590 | $ 125,305 | $ 114,590

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